SOURCE

function generate()
{

    var os=document.getElementById("os");
    var media=document.getElementById("media");
    replaceStr =  "&appkey=24648154&backURL=kwai%3a%2f%2faction%2fbringToFront";
    window.console.log(media.value)
    if (media.value == "kugou") {
        replaceStr =  "&appkey=26041654&backURL=kugou%3A%2F%2Fm.kugou.com";
    }
    if (media.value == "baidu") {
        replaceStr = "&appkey=24585299&backURL=baiduboxapp%3A%2F%2Fdonothing";
    }
    if (media.value == "baiduditu") {
        replaceStr = "&appkey=27577605&backURL=baidumap%3A%2F%2Fmap&packageName=com.baidu.BaiduMap";
    }
    if (media.value == "tieba") {
        replaceStr = "&appkey=__DEEPLINK_APPKEY__&backURL=__DEEPLINK_BACKURL__&packageName=__DEEPLINK_PACKAGENAME__";
    }
    if (media.value == "haokan") {
        replaceStr = "&appkey=__DEEPLINK_APPKEY__&backURL=__DEEPLINK_BACKURL__&packageName=__DEEPLINK_PACKAGENAME__";
    }
    var url=document.getElementById("ulk");
    if (os.value == "android") {
        link_area = document.getElementById("link")
        link_area.value = url.value + replaceStr;
        return;
    }

    var deeplinkUrl = new URL(url.value);
    var searchParams = new URLSearchParams(deeplinkUrl.search);


    deeplink = searchParams.get("smburl")

    deeplink = deeplink + replaceStr;

    var subUrl = new URL(deeplink);

    d = "https://ace.tb.cn/t?smburl=" + encodeURIComponent(deeplink);

    window.console.log(d);

    link_area = document.getElementById("link")
    link_area.value = d;
}

原始链接
</br>
<textarea id="ulk" cols="120" rows="15"></textarea>

<br/>
<br/>

<select id="media"">
    <option value='kuaishou'>快手</option>
    <option value='kugou'>酷狗</option>
    <option value='baidu'>百度</option>
    <option value='baiduditu'>百度地图</option>
    <option value='tieba'>贴吧</option>
    <option value='haokan'>好看</option>
</select>
<br/>
<br/>
<select id="os">
    <option value='android'>android</option>
    <option value='ios'>ios</option>
</select>

<br/>
<br/>
<input type="button" value="生成返回按钮链接" onclick="generate()"/>

<br/>
<br/>
待返回按钮的ulk
<br/>
</br>
<textarea id="link" cols="120" rows="15"></textarea>